Abstract
Fast charging of lithium-ion batteries is paramount toward widespread adoption of electric vehicles. Fast charging, however, poses safety concerns due to the occurrence of lithium plating and local thermal excursions. Preserving the thermal safety, performance and life of LIBs at such operating extremes necessitates a thorough understating of the thermal and degradation interactions emanating at the electrode level. In this work, the electrode-level implications of thermal and electrochemical characteristics of Li-ion cells during fast charge conditions is examined. Suggestions for improvement in fast charging capabilities via electrode engineering are made.
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